Identification of Variations in the Climatic Conditions of the Lerma-Chapala-Santiago Watershed by Comparative Analysis of Time Series
Table 1
Absolute, relative, and proportional areas of the Lerma-Chapala-Santiago watershed with changes in temperature between time series one (1960–2010) and time series two (1960–1989).
No.
Series 1: 1960–2010
Series 2: 1960–1989
Tendency
Surface area with changes
Percentage area of the watershed
km2
%
1
Warm
Semiwarm (temperate)
↓
391.3
4.04
0.292
2
Warm
Semiwarm (warm)
↓
94.7
0.98
0.071
3
Warm
Dry, semiarid
↑
21.4
0.22
0.016
4
Cold
Temperate
↑
0.8
0.01
0.001
5
Dry, semiarid
Dry, arid
↓
1,887.2
19.48
1.410
6
Dry, semiarid
Semiwarm (temperate)
↓
1,642.2
16.95
1.227
7
Dry, semiarid
Temperate
↓
605.9
6.26
0.453
8
Dry, semiarid
Warm
↓
40.3
0.42
0.030
9
Semiwarm (warm)
Semiwarm (temperate)
↓
116.3
1.20
0.087
10
Semiwarm (warm)
Warm
↑
2.9
0.03
0.002
11
Semiwarm (temperate)
Temperate
↓
898.5
9.28
0.672
12
Semiwarm (temperate)
Dry, semiarid
↑
420.2
4.34
0.314
13
Semiwarm (temperate)
Warm
↑
41.4
0.43
0.031
14
Temperate
Dry, semiarid
↑
1,974.7
20.39
1.476
15
Temperate
Semiwarm (temperate)
↑
1,548.5
15.99
1.157
Total
9,686.3
100
7.239
The behavior of rainfall can contribute considerably toward variations in temperature characterization.
